condition mean min max Sterile Leaflet 0.07257233333333334 0.0 0.217717 Fertile Leaflet with Sori 2.15186 0.0 6.45558 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Root 0.0 0.0 0.0